Reuters/Ipsos poll: Clinton expands lead over Trump to 13 points

NEW YORK, July 5 (Reuters) - Democratic presidential candidate Hillary Clinton widened her lead over likely Republican nominee Donald Trump to 13 percentage points in a Reuters/Ipsos opinion poll released on Tuesday.

The July 1-5 poll included responses gathered mostly over the holiday weekend, before the Federal Bureau of Investigation recommended on Tuesday that no criminal charges be filed against Clinton over her use of private email servers and what it called her "extremely careless" handling of classified information while she was U.S. secretary of state.

The presumptive Democratic nominee led Trump, a New York businessman, by 9 percentage points in a previous Reuters/Ipsos poll that ran from June 27 to July 1.

Tuesday's poll showed that 46 percent of likely voters supported Clinton, while 33 percent backed Trump. Twenty-two percent said they would not support either candidate for the Nov. 8 election.

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Supporters John Nelson, 32, (L) and Dan Stifler, 32, cheer U.S. Democratic presidential candidate Hillary Clinton as she arrives to speak on stage at the UFCW Union Local 324 in Buena Park, California, U.S. May 25, 2016. REUTERS/Lucy Nicholson

Supporters cheer on U.S. Democratic presidential candidate Hillary Clinton as she speaks during a campaign stop in Sacramento, California, United States June 5, 2016. REUTERS/Mike Blake

Supporter Monica Brown pins a Hillary Clinton button to her 2008 Hillary campaign t-shirt as she prepares for the arrival of U.S. Democratic presidential candidate Hillary Clintons visit to at a small restaurant in Vallejo, California, United States June 5, 2016. REUTERS/Mike Blake ATTENTION EDITORS - EDITORIAL USE ONLY. NO RESALES. NO ARCHIVES

Supporters await the arrival of U.S. Democratic presidential candidate Hillary Clinton at a campaign stop in Fresno, California, United States June 4, 2016. REUTERS/Mike Blake

A Hillary supporter yells out with a picture of Donald Trump on her phone as U.S. Democratic presidential candidate Hillary Clinton speaks during a campaign stop in Fresno, California, United States June 4, 2016. REUTERS/Mike Blake TPX IMAGES OF THE DAY

Supporters cheers as U.S. Democratic presidential candidate Hillary Clinton speaks during a campaign stop at a high school in Oxnard, California, United States June 4, 2016. REUTERS/Mike Blake

Supporters hold a sign as U.S. Democratic presidential candidate Hillary Clinton makes a campaign stop in San Bernardino, California, United States June 3, 2016. REUTERS/Mike Blake

U.S. Democratic presidential candidate Hillary Clinton takes a selfie with supporters during a campaign stop in San Bernardino, California, United States June 3, 2016. REUTERS/Mike Blake

Supporters cheer on U.S. Democratic presidential candidate Hillary Clinton as she speaks at a campaign stop in San Bernardino, California, United States June 3, 2016. REUTERS/Mike Blake

A young supporter cheers as she awaits the arrival of U.S. Democratic presidential candidate Hillary Clinton at a "Women for Hillary" event in Culver City, California, United States, June 3, 2016. REUTERS/Mike Blake

A supporter wears a sunglasses adorned with logos of Democratic U.S. presidential candidate Hillary Clinton during a campaign event in San Francisco, California, U.S. May 26, 2016. REUTERS/Stephen Lam

A supporter listens as Democratic U.S. presidential candidate Hillary Clinton speaks during a campaign event in San Francisco, California, U.S. May 26, 2016. REUTERS/Stephen Lam

Supporters listen to Democratic U.S. presidential candidate Hillary Clinton speak at a campaign event in San Jose, California, U.S. May 26, 2016. REUTERS/Stephen Lam

Women cheer for U.S. Democratic presidential candidate Hillary Clinton at the UFCW Union Local 324 in Buena Park, California, U.S. May 25, 2016. REUTERS/Lucy Nicholson

A supporter cheers as U.S. Democratic presidential candidate Hillary Clinton speaks at the UFCW Union Local 324 in Buena Park, California, U.S. May 25, 2016. REUTERS/Lucy Nicholson

Supporters listen to U.S. Democratic presidential candidate Hillary Clinton speak at the UFCW Union Local 324 in Buena Park, California, U.S. May 25, 2016. REUTERS/Lucy Nicholson

A supporter cheers for U.S. Democratic presidential candidate Hillary Clinton as she speaks at the University of California Riverside in Riverside, California, U.S. May 24, 2016. REUTERS/Lucy Nicholson FOR EDITORIAL USE ONLY. NO RESALES. NO ARCHIVES.

Marlena Steinbach, 9, (L) and her sister Ella Steinbach, 15, cheer the motorcade of U.S. Democratic presidential candidate Hillary Clinton outside the IBEW union hall where Clinton was due to speak in Commerce, California, U.S., May 24, 2016. REUTERS/Lucy Nicholson

Artist Gretchen Baer of BisBee, Arizona, stands next to the "Hillcar", a car she painted and decorated in support of Democratic U.S. presidential candidate Hillary Clinton, as she stands on a street in the Manhattan borough of New York City, U.S. April 18, 2016. REUTERS/Mike Segar EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE

Six-year-old Kayla Johnson (C) her mother Andrea (L) and friend London Walters (R) react as U.S. Democratic presidential candidate Hillary Clinton enters the Garrick-Boykin Human Development Center at Morris College in Sumter, South Carolina, February 24, 2016. REUTERS/Randall Hill

FILE - In this April 19, 2016, photo, supporters of Democratic presidential candidate Hillary Clinton celebrate at her New York primary campaign headquarters. With six months to go, the U.S. election campaign has boiled down to an unprecedented contest that could transform America's role in the world. Democrat Hillary Clinton, a fixture on the political stage for a quarter century, is set to face Donald Trump, a brash billionaire real estate mogul who has never held elected office. (AP Photo/Kathy Willens, File)

Democratic presidential candidate Hillary Clinton takes a selfie with a supporter after a speaking at a rally at Louisville Slugger Field's Hall of Fame Pavilion in Louisville, Ky., Tuesday, May 10, 2016. (AP Photo/Patrick Semansky)

Supporters of Democratic U.S. presidential candidate Hillary Clinton attend a "Women for Hillary" campaign rally in the Manhattan borough of New York City, U.S. April 18, 2016. REUTERS/Mike Segar

A supporter fans herself as Democratic U.S. presidential candidate Hillary Clinton speaks at Southwest College in Los Angeles, California, United States, April 16, 2016. REUTERS/Lucy Nicholson

A supporter holds up an action figure of Democratic U.S. presidential candidate Hillary Clinton before Clinton spoke at Southwest College in Los Angeles, California, United States, April 16, 2016. REUTERS/Lucy Nicholson

A supporter for Democratic presidential candidate Hillary Clinton boos at the mention of Donald Trump as Clinton speaks at Carnegie Mellon University on a campaign stop, Wednesday, April 6, 2016, in Pittsburgh. (AP Photo/Keith Srakocic)

OAKLAND, CA - MAY 06: Supporters look on as democratic presidential candidate former Secretary of State Hillary Clinton speaks during a campaign rally on May 6, 2016 in Oakland, California. Hillary Clinton is campaigning in California ahead of the State's presidential primary on June 7th. (Photo by Justin Sullivan/Getty Images)

Planned Parenthood and Democratic presidential candidate Hillary Clinton supporters looks to the stage during the National Anthem during a Clinton campaign event at Rainier Beach High School in Seattle, Tuesday, March 22, 2016. (AP Photo/Carolyn Kaster)

Democratic presidential candidate Hillary Clinton takes photos with supporters in the audience after speaking during a campaign event at Carl Hayden Community High School in Phoenix, Monday, March 21, 2016. (AP Photo/Carolyn Kaster)

NEW YORK, NY - MARCH 2: A members of the Laborers International Union of North America (LiUNA) and Hillary Clinton supporters outside Hillary Clinton rally at the Jacob Davits Center in New York, New York on March 2, 2016. Photo Credit: Rainmaker Photo/MediaPunch/IPX

Supporters cheer for Democratic presidential candidate Hillary Clinton while she speaks at a campaign event at George Mason University in Fairfax, Va., Monday, Feb. 29, 2016. (AP Photo/Molly Riley)

U.S. Democratic presidential candidate Hillary Clinton greets supporters after a town hall meeting at Cumberland United Methodist Church in Florence, South Carolina February 25, 2016. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

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Throughout the campaign, Clinton has been dogged by her use of a personal email server during her years as the nation's top diplomat. Over the past several months, she has handed over thousands of pages of emails to investigators and responded to a number of government inquiries.

Clinton has repeatedly said she never sent or received classified documents on her private servers, yet the public appears distrustful of her, according to Reuters/Ipsos polling. In early May, 63 percent of Americans, including 36 percent of Democrats, said they did not believe Clinton was "honest and truthful."

But Clinton has led Trump most of the year among likely voters. Since mid-May, she has maintained a relatively consistent level of support among likely voters, while Trump's popularity has eroded as his campaign wrestled with a variety of issues.

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A masked supporter dances before Republican U.S. presidential candidate Donald Trump arrives at a campaign town hall event in Wausau, Wisconsin April 2, 2016. REUTERS/Ben Brewer

U.S. Republican presidential candidate Donald Trump greets supporters at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

Supporters cheer for U.S. Republican presidential candidate Donald Trump at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

People say the pledge of allegiance before listening to U.S. Republican presidential candidate Donald Trump speak at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

Supporters wait for U.S. Republican presidential candidate Donald Trump to speak at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

Supporters cheer for U.S. Republican presidential candidate Donald Trump as he speaks at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

Supporters cheer for U.S. Republican presidential candidate Donald Trump at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

U.S. Republican presidential candidate Donald Trump greets supporters at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

U.S. Republican presidential candidate Donald Trump greets supporters at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

U.S. Republican presidential candidate Donald Trump greets supporters at a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Lucy Nicholson

People listen to U.S. Republican presidential candidate Donald Trump speak at a campaign rally in Sacramento, California, U.S. June 1, 2016. REUTERS/Lucy Nicholson

A man carries a sign for Republican U.S. presidential candidate Donald Trump at the Rolling Thunder motorcycle rally to highlight POW-MIA issues on Memorial Day weekend in Washington, U.S. May 29, 2016. REUTERS/Jonathan Ernst

People watch Republican U.S. presidential candidate Donald Trump address the Rolling Thunder motorcycle rally to highlight POW-MIA issues on Memorial Day weekend in Washington, U.S. May 29, 2016. REUTERS/Jonathan Ernst

Supporters attend a rally with Republican U.S. presidential candidate Donald Trump in San Diego, California, U.S. May 27, 2016. REUTERS/Jonathan Ernst

Marcos Spence solicits volunteers to work for the campaign of Republican U.S. presidential candidate Donald Trump as they stand in line before the start of his rally in Albuquerque, New Mexico, U.S. May 24, 2016. REUTERS/Jonathan Ernst

A supporter holds a sign as Republican U.S. presidential candidate Donald Trump holds a rally in Anaheim, California, U.S. May 25, 2016. REUTERS/Jonathan Ernst

Supporters line up to enter a convention center where U.S. Republican presidential candidate Donald Trump holds a campaign rally in Anaheim, California, United States May 25, 2016. REUTERS/Mike Blake

Supporters of Republican U.S. Presidential candidate Donald Trump arrive before Trump speaks at a campaign event in Anaheim, California U.S. May 25, 2016. REUTERS/Mike Blake

A supporter of Republican U.S. Presidential candidate Donald Trump holds a sign before Trump speaks at a campaign event in Anaheim, California U.S. May 25, 2016. REUTERS/Mike Blake

Supporters of Republican U.S. Presidential candidate Donald Trump arrive before Trump speaks at a campaign event in Anaheim, California U.S. May 25, 2016. REUTERS/Mike Blake

Supporters of Republican U.S. presidential candidate Donald Trump stand in line before the start of his rally in Albuquerque, New Mexico, U.S. May 24, 2016. REUTERS/Jonathan Ernst FOR EDITORIAL USE ONLY. NO RESALES. NO ARCHIVES.

A supporter of Republican U.S. presidential candidate Donald Trump attends a Trump campaign rally at the Verizon Wireless Arena in Manchester, New Hampshire, February 8, 2016. REUTERS/Rick Wilking

A supporter of Republican U.S. presidential candidate Donald Trump wearing a "Trump for President '16" t-shirt listens to the candidate speak at a campaign rally at the airport in Hagerstown, Maryland, U.S. On April 24, 2016. REUTERS/Jim Bourg/File Photo

Activists of Hindu Sena, a Hindu right-wing group, perform a special prayer to ensure a victory of Republican U.S. presidential candidate Donald Trump in the upcoming elections, according to a media release, in New Delhi, India May 11, 2016. REUTERS/Anindito Mukherjee

Delegate Douglas Marshall in the Donald Trump booth during the second day of the Republican Party of Texas state convention on May 13, 2016 in Dallas. (Paul Moseley/Fort Worth Star-Telegram/TNS via Getty Images)

A supporter of U.S. Republican presidential candidate Donald Trump holds a sign during a campaign event at Grumman Studios in Bethpage, New York April 6, 2016. REUTERS/Shannon Stapleton

A supporter of U.S. Republican presidential candidate Donald Trump takes a photo during a campaign event at Grumman Studios in Bethpage, New York April 6, 2016. REUTERS/Shannon Stapleton

Republican U.S. presidential candidate Donald Trump supporters Josh (R), and his father Jeff Schimek (L), wait for him to speaks during a Town Hall at the Racine Civic Centre Memorial Hall April 2, 2016. REUTERS/Kamil Krzaczynski EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE

Supporters (L) of Republican U.S. presidential candidate Donald Trump point and scream at an anti-Trump demonstrator (R) holding a sign reading "More Like Make America Racist Again" sign during a Trump campaign rally in Fountain Hills, Arizona March 19, 2016. REUTERS/Ricardo Arduengo TPX IMAGES OF THE DAY

A supporter of U.S. Republican presidential candidate Donald Trump attends a campaign rally in De Pere, Wisconsin, United States, March 30, 2016. REUTERS/Jim Young

Bob Bolus, a supporter of U.S. Republican presidential candidate Donald Trump, gives the thumbs up to drivers as they pass by on Super Tuesday in Middleburg Heights, Ohio March 15, 2016. REUTERS/Aaron Josefczyk

Rosemary Harder wears a hat supporting Republican U.S. presidential candidate Donald Trump during a news conference, after the Florida, Ohio, North Carolina, Illinois and Missouri primary elections, held at his Mar-A-Lago Club, in Palm Beach, Florida March 15, 2016. REUTERS/Joe Skipper

A Trump supporter (R) yells at a demonstrator (L) after Republican U.S. presidential candidate Donald Trump cancelled his rally at the University of Illinois at Chicago March 11, 2016. REUTERS/Kamil Krzaczynski TPX IMAGES OF THE DAY

Supporters of Republican U.S. presidential candidate Donald Trump cheer on their candidate at a Trump campaign rally in New Orleans, Louisiana March 4, 2016. REUTERS/Layne Murdoch Jr.

A supporter of U.S. Republican presidential candidate Donald Trump attends a campaign rally in Cadillac, Michigan, March 4, 2016. REUTERS/Jim Young

A supporter of Republican U.S. presidential candidate Donald Trump holds up a sign at a campaign rally at Valdosta State University in Valdosta, Georgia February 29, 2016. REUTERS/ Philip Sears

A supporter of Republican U.S. presidential candidate Donald Trump celebrates with a cigar at Trump's 2016 South Carolina presidential primary night rally in Spartanburg, South Carolina February 20, 2016. REUTERS/Jonathan Ernst

A campaign volunteer for U.S. Republican presidential candidate Donald Trump wears a hat signed by Trump during a rally with supporters in Gaffney, South Carolina February 18, 2016. REUTERS/Jonathan Ernst

Freda Green, of Louisiana, wears a hat in support of Republican U.S. presidential candidate Donald Trump before a rally in Baton Rouge, Louisiana February 11, 2016. REUTERS/Jonathan Bachman

A veteran of both the Korean and the Vietnam War, C.J. Dauzt wears a sticker in support of Republican U.S. presidential candidate Donald Trump before a rally in Baton Rouge, Louisiana in Baton Rouge, Louisiana February 11, 2016. REUTERS/Jonathan Bachman

10-year-old Ian Linden, of New Orleans, holds a sign in support of Republican U.S. presidential candidate Donald Trump before a rally in Baton Rouge, Louisiana February 11, 2016. REUTERS/Jonathan Bachman

Supporter of U.S. Republican presidential candidate Donald Trump wait for the start of his campaign rally in Plymouth, New Hampshire February 7, 2016. REUTERS/Jim Bourg

Liberty University students and supporters of Republican presidential candidate Donald Trump wear letters spelling his name before his speech at Liberty University in Lynchburg, Virginia, January 18, 2016. REUTERS/Joshua Roberts

A supporter of U.S. Republican presidential candidate Donald Trump wears a National Rifle Association shirt before his speech at Liberty University in Lynchburg, Virginia, January 18, 2016. REUTERS/Joshua Roberts

Trump supporters Joshua Smith (from Left) and Seth Stephens, both of Aiken, South Carolina and Rona Bartolomucci of Hilton Head Island, wait along the front buffer before a rally for U.S. Republican presidential candidate Donald Trump at the Westin Hilton Head Island Resort and Spa in Hilton Head Island, South Carolina, December 30, 2015. REUTERS/Randall Hill

FOUNTAIN HILLS, AZ - MARCH 19: Supporters of Republican presidential candidate Donald Trump look on during Fountain Park during a campaign rally on March 19, 2016 in Fountain Hills, Arizona. Trumps visit to Arizona is the second time in three months as he looks to gain the GOP nomination for President. (Photo by Ralph Freso/Getty Images)

SALT LAKE CITY, UT - MARCH 18: A supporter waits for Republican presidential candidate Donald Trump speak at a campaign rally on March 18, 2016 in Salt Lake City, Utah. The Republican and Democratic caucuses are March 22. (Photo by George Frey/Getty Images)

A supporter of Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, wears campaign stickers on her sandals before a town hall event at the Tampa Convention Center in Tampa, Florida, U.S., on Monday, March 14, 2016. As protesters shadow campaign appearances by Trump, the billionaire has shifted a planned Monday-night rally in south Florida to Ohio, where polls show Governor John Kasich may be pulling ahead days before the states primary election. Photographer: Andrew Harrer/Bloomberg via Getty Images

Trump supporters pass out signs prior to a rally for Republican presidential candidate Donald Trump on March 13, 2016 in Boca Raton, Florida.
Primary voters head to the polls on March 15th in Florida. / AFP / RHONA WISE (Photo credit should read RHONA WISE/AFP/Getty Images)

Attendees wait for the start of a campaign event with Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, not pictured, in Bloomington, Illinois, U.S., on Sunday, March 13, 2016. After violent protests prompted Donald Trump to cancel a rally in Chicago on Friday night, the Republican presidential front-runner blamed the activist group MoveOn.Org and supporters of Senator Bernie Sanders for the chaos, while defending his own harassed supporters. Photographer: Daniel Acker/Bloomberg via Getty Images

Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, left, stands with a man he called onto the stage from the crowd because of the 'Legal Immigrant For Trump' t-shirt he was wearing, during a campaign event in Bloomington, Illinois, U.S., on Sunday, March 13, 2016. After violent protests prompted Donald Trump to cancel a rally in Chicago on Friday night, the Republican presidential front-runner blamed the activist group MoveOn.Org and supporters of Senator Bernie Sanders for the chaos, while defending his own harassed supporters. Photographer: Daniel Acker/Bloomberg via Getty Images

CHICAGO, IL - MARCH 11: A supporter exists the University of Illinois at Chicago Pavilion where Republican presidential candidate Donald Trump cancelled a campaign rally over safety concerns March 11, 2016 in Chicago, Illinois. The Illinois Republican presidential primary will be held March 15. (Photo by Jonathan Gibby/Getty Images)

RADFORD, VA - FEBRUARY 29: A campaign rally for Donald J. Trump, candidate for the Republican presidential nomination, at the Radford University Dedmon Arena in Radford, Virginia, on Monday, February 29, 2016. (Photo by Benjamin Lowy/Getty Images Reportage)

A woman reacts as U.S. Republican presidential candidate Donald Trump works the crowd following a campaign event in an airplane hanger in Rome, New York April 12, 2016. REUTERS/Carlo Allegri

A woman reacts as U.S. Republican presidential candidate Donald Trump works the crowd following a campaign event in an airplane hanger in Rome, New York April 12, 2016. REUTERS/Carlo Allegri

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Republican leaders distanced themselves from Trump after he suggested a federal judge was biased because of his Hispanic heritage and after he doubled down on a pledge to block Muslims from entering the country. On Tuesday, U.S. House of Representatives Speaker Paul Ryan criticized a tweet posted by Trump over the weekend that many deemed to be anti-Semitic.

Trump's level of support among likely voters was about 10 points below what 2012 Republican nominee Mitt Romney received in early July 2012.

Among Clinton's supporters, nearly half said they were backing her because "I don't want Donald Trump to win." A further 39 percent said they "agree with her positions," and about 13 percent said they "like her personally."

The online national poll of 1,441 American adults had a credibility interval, a measure of accuracy, of 3 percentage points.